Both Uses of

buffet
in
Catch-22

Help who?' called back Yossarian, once he had plugged his headset back into the intercom system, after it had been jerked out when Dobbs wrested the controls away from Huple and hurled them all down suddenly into the deafening, paralyzing, horrifying dive which had plastered Yossarian helplessly to the ceiling of the plane by the top of his head and from which Huple had rescued them just in time by seizing the controls back from Dobbs and leveling the ship out almost as suddenly right back in the middle of the buffeting layer of cacophonous flak from which they had escaped successfully only a moment before.†
Chpt 5

He could feel the tensed, straddling inside of her buffeting thighs and knees squeezing and churning around one of his legs.†
Chpt 38 *

Definitions:

(1) (buffet as in: buffeted by)
hit repeatedly; or cause to bounce irregularly
(2) (buffet as in: all-you-can-eat buffet)
a self-served meal
(3) (buffet as in: placed on the buffet)
a type of furniture from which food or drink can be served
(4) (meaning too rare to warrant focus)
meaning too rare to warrant focus:

Buffet can also be a last name.